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ExifCleaner vs MAT2: catalog facts
ExifCleaner	MAT2
Free Free and open source under the MIT licence.	Free Free and open source under the LGPL.
Windows, macOS, Linux	macOS, Linux, Command line
Batch cleaning by dragging files onto the window Runs entirely locally, with nothing uploaded	Wide format coverage from one tool, usable as a library or CLI Included by default in Tails, so it is well exercised
Removal is in place, so keep a copy if the metadata matters Development is intermittent	Some formats can only be cleaned by re-encoding, which loses quality Command-line first; graphical use depends on file manager extensions
Downloadable app	Downloadable app
Open source	Open source
License: MIT	License: LGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 22, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.